Changing The Number Of Logical Libraries (Configuration > Logical Libraries); Changing The Library Configuration (Configuration > Library) - HP StorageWorks MSL2024 User's And Service Manual

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• Saving and restoring the Library configuration (Configuration >
Changing the number of logical libraries (Configuration > Logical Libraries)
This option allows you to specify the number of logical libraries for the physical Tape Library. For
more information about logical libraries, see
Access to this feature requires the administrator password.
Changing the Library configuration (Configuration > Library)
This option allows you to specify the drive that is assigned as master drive and the Library mode, and
define how many slots are active and whether the mailslots are enabled.
Access to this feature requires the administrator password.
• Library Master Drive: This option designates which drive acts as the master and hosts the Library
LUN.
NOTE:
The Library's SCSI ID will be the master drive's SCSI ID with a LUN of 1.
• Library Mode: The Library supports three behavior modes: Random, Sequential, and Automatic.
The Library automatically detects the required mode from the series of SCSI commands it receives;
however, you can also change the mode. Choose the operating mode based on the capabilities
of the software controlling the tape cartridges. The Library mode can be set independently for
each logical library.
• Reserved Slots: This option sets the number of reserved slots in the Library. Reserved slots are slots
that can be accessed by the remote management interface (RMI) and the operator control panel
(OCP), but are invisible to the host and backup software. On the MSL4048 and MSL8048, you
can reserve up to 46 slots. On the MSL8096, you can reserve up to 94 slots.
• Mailslots enabled: This option enables or disables mailslots. On the MSL4048 and MSL8048, all
three mailslots are enabled or disabled based on this setting. On the MSL8096, you can choose
to enable the lower-left mailslot (three slots), the upper-right mailslot (12 slots), both mailslots (15
slots), or disable the mailslots.
• Auto Cleaning: This option enables or disables automatic cleaning.
Library modes
The Library supports three behavior modes: Random, Sequential, and Automatic.
Random mode: In Random mode, the device does not automatically load tapes into the tape drives;
it waits for commands from the software or operator to load and unload tapes. Random mode is used
with a full featured or a robotics-aware backup application and is the most common mode of operation.
Your backup software must support robotics, which may require an additional software module.
Sequential mode: In Sequential mode, the device automatically loads and unloads tapes from the
drive. Sequential mode is used when the backup software is NOT robotics-aware or was designed
for standalone drives only.
In Sequential mode, the Library will only use the lowest-numbered tape drive.
142 Operating the Tape Library
Save/Restore)" on page 146
Logical libraries" on page 28.